100310221 has 8 divisors (see below), whose sum is σ = 109504800. Its totient is φ = 91128240.

The previous prime is 100310179. The next prime is 100310239. The reversal of 100310221 is 122013001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100310221 - 2¹³ = 100302029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100310198 and 100310207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22950 + ... + 26968.

It is an arithmetic number, because the mean of its divisors is an integer number (13688100).

Almost surely, 2^100310221 is an apocalyptic number.

100310221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100310221 is a deficient number, since it is larger than the sum of its proper divisors (9194579).

100310221 is a wasteful number, since it uses less digits than its factorization.

100310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100310221 is about 10015.4990389895. The cubic root of 100310221 is about 464.6383606660.

Adding to 100310221 its reverse (122013001), we get a palindrome (222323222).

The spelling of 100310221 in words is "one hundred million, three hundred ten thousand, two hundred twenty-one".